Entangled single-wall carbon nanotube solid material and...

Details Entangled single-wall carbon nanotube solid material and... Entangled single-wall carbon nanotube solid material and...

2005-05-31

2005-05-31

Buttner, David J. (Department: 1712)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

C428S314200, C428S315900, C428S319300, C428S319100, C428S220000, C423S44500R, C423S44500R, C002S002500

Reexamination Certificate

active

06899945

ABSTRACT:
Buckyrock is a three-dimensional, solid block material comprising an entangled network of single-wall carbon nanotubes (SWNT), wherein the block comprises greater than 75 wt % SWNT. SWNT buckyrock is mechanically strong, tough and impact resistant. The single-wall carbon nanotubes in buckyrock form are present in a random network of individual single-wall carbon nanotubes, SWNT “ropes” and combinations thereof. The random network of the SWNT or SWNT ropes can be held in place by non-covalent “cross-links” between the nanotubes at nanotube contact points. In one embodiment, SWNT buckyrock is made by forming a SWNT-water slurry, slowly removing water from the slurry which results in a SWNT-water paste, and allowing the paste to dry very slowly, such that the SWNT network of the SWNT-water paste is preserved during solvent evaporation. Buckyrock can be used in applications, such as ballistic protection systems, involving light-weight material with mechanical strength, toughness and impact resistance.

REFERENCES:
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